80721898496

素因数分解:

$2^{10}\times {\mathrm{78829979}}^1$

素因数の和:78829999

約数の個数: 22

約数和(自身を含む): 161364969060

約数和(自身を除く): 80643070564

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 78829979, 157659958, 315319916, 630639832, 1261279664, 2522559328, 5045118656, 10090237312, 20180474624, 40360949248, 80721898496]

約数ペア:

[(1, 80721898496), (2, 40360949248), (4, 20180474624), (8, 10090237312), (16, 5045118656), (32, 2522559328), (64, 1261279664), (128, 630639832), (256, 315319916), (512, 157659958), (1024, 78829979)]